/* Points to the other in the identifier-symbol pair for an
alias. Special value SALIAS in the identifier half of the
identifier-symbol pair for an alias. */
struct bucket *alias;
symbol_class class;
/* Points to the other in the identifier-symbol pair for an
alias. Special value SALIAS in the identifier half of the
identifier-symbol pair for an alias. */
struct bucket *alias;
symbol_class class;